19038431042 has 8 divisors (see below), whose sum is σ = 28919136000. Its totient is φ = 9398719044.

The previous prime is 19038431039. The next prime is 19038431059. The reversal of 19038431042 is 24013483091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×19038431042³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19038430993 and 19038431011.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60248042 + ... + 60248357.

It is an arithmetic number, because the mean of its divisors is an integer number (3614892000).

Almost surely, 2^19038431042 is an apocalyptic number.

19038431042 is a deficient number, since it is larger than the sum of its proper divisors (9880704958).

19038431042 is a wasteful number, since it uses less digits than its factorization.

19038431042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120496480.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 19038431042 in words is "nineteen billion, thirty-eight million, four hundred thirty-one thousand, forty-two".